Transition between Orbital Orderings inYVO3

2001/09/06 by G. R. Blake, Graeme R. Blake, T. T. M. Palstra +6 · 7 citations
Materials Science · Physics and Astronomy · #Luminescence Properties of Advanced Materials #Magnetic and transport properties of perovskites and related materials #Transition Metal Oxide Nanomaterials #cond-mat.str-el

paper · pdf · doi:10.1103/physrevlett.87.245501

7 pages, 5 figures, submitted in shortened form to Phys. Rev. Lett

arxiv created 2001/09/06 · openalex publication_date 2001/11/26 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

Evidence has been found for a change in the ordered occupation of the vanadium d orbitals at the 77 K phase transition in YVO3, manifested by a change in the type of Jahn-Teller distortion. The orbital ordering above 77 K is not destroyed at the magnetic ordering temperature of 116 K, but is present as far as a second structural phase transition at 200 K. The transition between orbital orderings is caused by an increase in octahedral tilting with decreasing temperature.

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• Colossal electroresistance response accompanied by metal-insulator transition in a mixed-valent vanadate
• Coupling and electrical control of structural, orbital and magnetic orders in perovskites
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